lovely22pup lovely22pup

29-04-2020
Chemistry

contestada

How many moles are there in 7.50 x 10^23 atoms of iron?

Respuesta :

SvetkaChem SvetkaChem

29-04-2020

Answer:

1.25 mol

Explanation:

1 mol ---- 6.02*`0^23 atoms

7.50*10^23 atoms * 1 mol/6.02*10^23 atoms = 1.25 mol

Answer Link

Otras preguntas

A good scientific theory is one that ______________ the most evidence.

A 6-year-old is riding her bicycle and runs into a lowered tailgate on a pickup truck. She has moderate respiratory distress and subcutaneous emphysema on exam.

-6x+(- 3 0 =-ax How do I find the missing value

When people come to expect that individuals and groups with certain positions will be able to demand more influence and respect, and accumulate a greater share

Identify the missing coefficient in the balanced equation and classify the type of reaction. C2H5OH + 3O2 ⟶ _____CO2 + 3H2O 2; Neutralization 2; Combustion 3;

Circular gears P and Q start rotating at the same time at constant speeds. Gear P makes 10 revolutions per minute, and gear Q makes 40 revolutions per minute. H

According to purchasing-power parity, if it took 58 Indian rupees to buy a dollar today, but it took 55 to buy it a year ago, then the dollar has:

The idea that some people engage in risky behavior due to the fact that they have good health care is known as _______

Suppose the null hypothesis, H0, is: a weightlifting bar can withstand weights of 800 pounds and less. What is the Type I error in this scenario?

A class is given a demonstration of solution chemistry and solubility equilibria.Passage: A 6.57-g sample of NiSO4•6H2O (molar mass 262.84) is dissolved in enou